#include<bits/stdc++.h>
using namespace std;

int a[100005] {}, n, b[100005] {};

int main() {
    ios::sync_with_stdio(0);
    freopen("duel.in", "r", stdin);
    freopen("duel.out", "w", stdout);
    cin >> n;
    for (int i = 1; i <= n; i++) {
        cin >> a[i];
        b[a[i]]++;
    }
    int mx = -1;
    for (int i = 0; i <= 100000; i++) {
        mx = max(mx, b[i]);
    }
    cout << mx;

    return 0;
}
